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Hardness Conversion
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Hardness Conversion

BRINELL ROCKWELL TENSILE
Tungsten A B C Approx.
Carbide Scale Scale Scale
Ball 3000 60KG 100KG 150KG
KG
* 85.6 * 68.0 *
* 85.3 * 67.5 *
* 85.0 * 67.0 *
767 84.7 * 66.4 *
757 84.4 * 65.9 *
745 84.1 * 65.3 *
733 83.8 * 64.7 *
722 83.4 * 64.0 *
712 * * * *
710 83.0 * 63.3 *
698 82.6 * 62.5 *
684 82.2 * 61.8 *
682 82.2 * 61.7 *
670 81.8 * 61.0 *
656 81.3 * 60.1 *
653 81.2 * 60.0 *
647 81.1 * 59.7 *
638 80.8 * 59.2 329,000
630 80.6 * 58.8 324,000
627 80.5 * 58.7 323,000
601 79.8 * 57.3 309,000
578 79.1 * 56.0 297,000
555 78.4 * 54.7 285,000
534 77.8 * 53.5 274,000
514 76.9 * 52.1 263,000
495 76.3 * 51.0 253,000
477 75.6 * 49.6 243,000
461 74.9 * 48.5 235,000
444 74.2 * 47.1 225,000
429 73.4 * 45.7 217,000
415 72.8 * 44.5 210,000
BRINELL ROCKWELL TENSILE
Tungsten A B C Approx.
Carbide Scale Scale Scale
Ball 3000 60KG 100KG 150KG
KG
331 68.1 * 35.5 166,000
321 67.5 * 34.3 160,000
311 66.9 * 33.1 155,000
302 66.3 * 32.1 150,000
293 65.7 * 30.9 145,000
285 65.3 * 29.9 141,000
277 64.6 * 28.8 137,000
269 64.1 * 27.6 133,000
262 63.6 * 26.6 129,000
255 63.0 * 25.4 126,000
248 62.5 * 24.2 122,000
241 61.8 100.0 22.8 118,000
235 61.4 99.0 21.7 115,000
229 60.8 98.2 20.5 111,000
223 * 97.3 20.0 *
217 * 96.4 18.00 105,000
212 * 95.5 17.0 102,000
207 * 94.6 16.0 100,000
201 * 93.8 15.0 98,000
197 * 92.8 * 95,000
192 * 91.9 * 93,000
187 * 90.7 * 90,000
183 * 90.0 * 89,000
179 * 89.0 * 87,000
174 * 87.8 * 85,000
170 * 86.8 * 81,000
167 * 86.0 * 79,000
163 * 85.0 * 79,000
156 * 82.9 * 76,000
149 * 80.8 * 73,000
143 * 78.7 * 71,000
Superior Stainless & Alloys LLC. : 1635 Northwood Dr. Troy, MI 48084 : toll free:877.723.9994 : phone:248.269.8200 : fax:888.531.3888 : betsy@superiorstainless.com
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